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Chevrolet Express
Platform: GMT Van

what are the extra plugs for

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Old Nov 3, 2018 | 9:33 PM
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Default what are the extra plugs for

2014 chevy awd express, quite a few empty plugs on the rear door frame wiring harness. what could they be for?
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Old Nov 3, 2018 | 11:01 PM
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Is this a cargo van ? I got a wiring diagram and hooked up rear speakers in my cargo van. They were plugs by the rear doors for the speakers
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Old Nov 4, 2018 | 12:33 AM
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Rear Doors:

Power Locks
Power Lock Switch
Door Speakers
Rear Defrost
Rear Camera
License Plate Light

You likely have a door wire harness on the Right Hand Door for all those options. If I am not mistaken, there is something else, perhaps the dome light for passenger vans on the Right Hand Side Pillar. On the Left Hand Side Pillar you may find HVAC wires for the Rear Heater. Naturally, on each Pillar you will find Parking Lights, Brake Lights, Turn Signal Lights, Back Up Lights. Center over the Doors will be the overhead rear speakers and center stop lamp.

Last edited by dberladyn; Nov 4, 2018 at 12:37 AM.
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Old Nov 4, 2018 | 1:39 AM
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Yup same here. I have empty connectors for speakers, defog, and camera, all of which were not installed. They probably make one kind of harness to save money.
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Old Nov 4, 2018 | 5:10 AM
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Thanks for the quick replies. It is a
cargo van with no back windows or speakers so those empty plugs make sense.
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Old Nov 4, 2018 | 9:50 AM
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Meet your new best friend here:

https://www.gmupfitter.com/files/med...SI%20Brief.pdf
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